Remove templating from MonochromeApplication.

chrome/android/java/templates/BUILD.gn

-# Copyright 2016 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import("//build/config/android/config.gni")
-import("//build/config/android/rules.gni")
-import("monochrome_application.gni")
-
-monochrome_application = "$target_gen_dir/public_monochrome_application/org/chromium/chrome/browser/MonochromeApplication.java"
-
-generate_monochrome_application("monochrome_application_class") {
-  package = "org.chromium.chrome.browser"
-  super_class = "ChromeApplication"
-  monochrome_application_class = "MonochromeApplication"
-  output = monochrome_application
-}
-
-android_library("public_monochrome_java") {
-  deps = [
-    ":monochrome_application_class",
-    "//android_webview/glue",
-    "//base:base_java",
-    "//chrome/android:app_hooks_java",
-    "//chrome/android:chrome_java",
-    "//content/public/android:content_java",
-  ]
-  java_files = [ monochrome_application ]
-}